hawthorn



iijfsrrisio STA es srissrr ALUU F. HANJJHURN AND GEORGE W. HAWTHORN, 0F LANCASTER, PA.

SiT'NVlPQUND FUR FAiNTiNG R GFS, 8:10.

SPECIFICATXQN forming part of Letters Patent No. 241,803, dated May 24, 1881.

Application filed December 24, 1880. (No spccimensd gutia-perelni; onegalloud'amtu varnish; three gallons spirits of turpentine; l'our pounds Veuetiau red; four quarts pulverized pumicestone; two pounds ground alum two'pouuds dry sulphate ol iron; live quarts air-slaked lime; iive pounds burnt umber. lleloremiugling these ingredients the sulphate of iron and the lime are eaeh mixed with benziue, and the gnttapereha is separately dissolved in lieuzine.

and afterward the other ingredients, each one lhe'eonltar constitutes the lmseof the eom wound and in mixin 'ihelime islirstadded ous to water, and in use presents a smooth, glossy surface. It does not possess an evaporative quality, and, being elastic, allows for L ire expansion and contraction caused by "a.- riations oi temperature of the material on which it is used. it unufleeted by heat and cold, and neither e 'aelcs, blisters, nor breaks. Before being used the compound is thinned down to an applirrble condition with either spirits of turpentine or benzine.

What we claim, and desire to secure by Letters Patent ol' the United States, is-

The herein-deseribed con'ipositionoi' matter, to be used for painting roofs, i'ences, and all metallic surl'aoes, consisting of coal-tar, as plialtum varnish, ,g'uttirpereha, J apan Sflllllslll, spirits oi turpentine, Venetian red, pulverized puinii'ie-stone, ground alum, dry sulphate of iron, air-slalciggl lime, and burnt umber, in the proportions specified.

A. F; HAWTHORN. GEO. W, ILUWll-lUl-tN.

Witnesses GEO. A. LANE, Wu. H. i uuuau'r. 

